B0306 De Dion Bouton 8 Hp Diagnostic Trouble Code

B0306 De Dion Bouton 8 Hp code definition:
B0306 is a kind of OBD-II Diagnostic B-Body Diagnostic Trouble Code for De Dion Bouton 8 Hp.

B0306 De Dion Bouton 8 Hp is defined as Knock Sensor Circuit Range Performance (Bank 1 or Single Sensor). This refers to camshaft timing, which in this case is over-retarded. If the car doesn't start, they will proceed by testing the voltage at the fuel pump connector and see if the fuel pump relay, fuse, and PCM circuitry should be inspected.

Symptoms

Symptoms of a B0306 De Dion Bouton 8 Hp diagnostic trouble code may include:
Place of B0306 in engine

Possible Causes :

  • An air leak forward of the DPF will change the sensor readings resulting in the code
  • Rusty exhaust systems, cracked exhaust manifolds or damaged or missing gaskets or donuts will cause air leaks.
  • Defective ECU strategies or components will prevent proper regeneration

Common Misdiagnoses

  1. TP Sensor Learn Not Complete Problem
  2. Low Coolant Circuit Problem
  3. Cruise Control System - Vehicle Accel Too High Problem
  4. TFP Valve Position Switch-Drive Without Drive Ratio Problem
  5. Problem

Repair Processes :

If the scan tool has that capability, and the scan tool can operate the IMRC valves, then the problem is either resolved and a simple code clearing is all that's left or a new PCM would be called for. With the valve disconnected, the red voltmeter lead should be attached to the IMRC valve power wire and the black voltmeter lead connected to ground.

Process Tips

Diagnostic trouble code B0306 De Dion Bouton 8 Hp is not difficult to diagnose and repair. Thus, it always pays to have a qualified technician to look after your vehicle should this error code arise.

Diagnosing this code requires the engine to be in good running shape, without unmetered air entering the engine. If other codes that relates to misfiring condition, lean running or air entering the engine is present, then you must first fix those error codes before B0306 De Dion Bouton 8 Hp.

Fortunately, B0306 De Dion Bouton 8 Hp is a fairly common OBD code, meaning that it applies to all makes and models of vehicles made after 1996.

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